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醫(yī)學(xué)英語(yǔ)心臟 1 SUMC2011 2012 Student scopy Thecardiovascularsystem 醫(yī)學(xué)英語(yǔ)心臟 2 Whatisthecirculatorysystem WhatdoestheCVsystemdo InternalandexternalanatomyCardiaccycleHeartsoundsConductivesystemoftheheartBloodvesselsDiseasesoftheCVS 醫(yī)學(xué)英語(yǔ)心臟 3 TheHeartandbloodvesselstogethermakeupthecardiovascularSystem CirculatebloodthroughoutentirebodyforTransportofoxygentocellsTransportofCO2awayfromcellsTransportofnutrients glucose tocellsMovementofimmunesystemcomponents cells antibodies Transportofendocrineglandsecretions 醫(yī)學(xué)英語(yǔ)心臟 4 TheHeart locationinthorax 醫(yī)學(xué)英語(yǔ)心臟 5 TheHeart locationinthorax ObliquePositionApex LeftofMidline 5thICS AnteriortorestofheartBase posteriorsurface sitsonvertebralcolumnSuperiorRight 3rdCostalCartilage 1 rightmidsternumSuperiorLeft 2ndCostalCartilage 1 leftmidsternumInferiorRight 6thCostalCartilage 1 rightmidsternumInferiorLeft 5thIntercostalSpaceatMidclavicularline 醫(yī)學(xué)英語(yǔ)心臟 6 Serousmembrane Continuouswithbloodvessels TheHeart musclelayersandcoverings Connectivetiss Endothilium 醫(yī)學(xué)英語(yǔ)心臟 7 ExternalHeartAnatomy Page44 醫(yī)學(xué)英語(yǔ)心臟 8 TheHeart Chambers 醫(yī)學(xué)英語(yǔ)心臟 9 Ourcirculatorysystemisadoublecirculatorysystem Thismeansithastwopartsparts therightsideofthesystemdealswithdeoxygenatedblood theleftsideofthesystemdealswithoxygenatedblood 醫(yī)學(xué)英語(yǔ)心臟 10 Circulation Coronarycirculation thecirculationofbloodwithintheheart Pulmonarycirculation theflowofbloodbetweentheheartandlungs Systemiccirculation theflowofbloodbetweentheheartandthecellsofthebody 醫(yī)學(xué)英語(yǔ)心臟 11 TheHeart Valves Bicuspid mitral Tricuspid AV PulmonaryAortic SL 醫(yī)學(xué)英語(yǔ)心臟 12 HowdoestheHeartwork STEPONE 醫(yī)學(xué)英語(yǔ)心臟 13 HowdoestheHeartwork STEPTWO 醫(yī)學(xué)英語(yǔ)心臟 14 HowdoestheHeartwork Thecyclethenrepeatsitself STEPTHREE 醫(yī)學(xué)英語(yǔ)心臟 15 醫(yī)學(xué)英語(yǔ)心臟 16 FillingofHeartChambers theCardiacCycle Copyright 2003PearsonEducation Inc publishingasBenjaminCummings 醫(yī)學(xué)英語(yǔ)心臟 17 TheHeart CardiacOutput Copyright 2003PearsonEducation Inc publishingasBenjaminCummings Cardiacoutput CO totalventblood minAmountofbloodpumpedbyeachsideoftheheartinoneminuteCO heartrate HR x strokevolume SV StrokevolumeVolumeofbloodpumpedbyeachventricleinonecontraction 醫(yī)學(xué)英語(yǔ)心臟 18 S1 Whatisit closingofthebicuspidandtricuspidvalves closureoftheAVvalves ThePulmonicandAorticvalvesareopeningandbloodisbeingforcedintothearteriesS2 Whatisit ThesoundsarebecauseoftheclosingofthePulmonicandAorticvalves closureofthesemilunarvalves 醫(yī)學(xué)英語(yǔ)心臟 19 醫(yī)學(xué)英語(yǔ)心臟 20 ConductiveSystem Actionpotential electricalimpulsecausingthecontractionofheartmusclecells TheSAnode orpacemaker initiatestheheartbeatandcausestheatriatocontractonaverageevery0 85seconds TheAVnodeconveysthestimulusandinitiatescontractionoftheventricles ThesignalfortheventriclestocontracttravelsfromtheAVnodethroughtheatrioventricularbundletothesmallerPurkinjefibers 醫(yī)學(xué)英語(yǔ)心臟 21 Electrocardiogram Anelectrocardiogram ECG isarecordingoftheelectricalchangesthatoccurinthemyocardiumduringacardiaccycle ThePwaveoccursjustpriortoatrialcontraction theQRScomplexoccursjustpriortoventricularcontraction andtheTwaveoccurswhentheventriclesarerecoveringfromcontraction 醫(yī)學(xué)英語(yǔ)心臟 22 TheVascularSystem Copyright 2003PearsonEducation Inc publishingasBenjaminCummings 醫(yī)學(xué)英語(yǔ)心臟 23 BloodVessels Anatomy Threelayers tunics TunicintimaEndotheliumTunicmediaSmoothmuscleTunicexternaMostlyfibrousconnectivetissue 醫(yī)學(xué)英語(yǔ)心臟 24 ConductiveSystem Copyright 2003PearsonEducation Inc publishingasBenjaminCummings Figure11 5 醫(yī)學(xué)英語(yǔ)心臟 25 TunicaexternaOutermostlayerelastinandcollagenStrengthens AnchorsTunicamediaMiddlelayerCircularSmoothMuscleVaso constriction dilationTunicaintimaInnermostlayerEndotheliumMinimizefrictionLumen 醫(yī)學(xué)英語(yǔ)心臟 26 醫(yī)學(xué)英語(yǔ)心臟 27 Artery Veindifferences 歸納 dtwlv 醫(yī)學(xué)英語(yǔ)心臟 28 醫(yī)學(xué)英語(yǔ)心臟 29 醫(yī)學(xué)英語(yǔ)心臟 30 醫(yī)學(xué)英語(yǔ)心臟 31 Coronaryarterycirculation 醫(yī)學(xué)英語(yǔ)心臟 32 Pulse Pulse pressurewaveofbloodMonitoredat pressurepoints wherepulseiseasilypalpated 醫(yī)學(xué)英語(yǔ)心臟 33 MeasuringArterialBloodPressure 醫(yī)學(xué)英語(yǔ)心臟 34 CardiovascularDiseases Cardiovasculardiseasesincludethosethataffecttheheartandthosethataffecttheperipheralvascularsystem Theheartandbloodvesselsmaybeprimarilyattackedbythesediseasesortheymaybesecondarilyaffectedasaconsequenceofanotherdisease 醫(yī)學(xué)英語(yǔ)心臟 35 RiskFactorsforCardiovascularDisease sdosp SmokingDiabetesObesityStressPhysicalInactivityHighBloodPressure 140 syst

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